反应堆热工水力学课后习题讲解2

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12.1ᱥឋ⊤Ḅᱥឋᦪ(1)16.7MPa⛳Ḅᯚ(2)324°Cᔠᱥ"#$Ḅ%&'1%,ᔠᱥḄ()(3)15MPaᯚ*1600kJ/kgḄ+(4)15MPa310࠷Ḅ-.᳛஺13:14:49⚪2

2প15.7MPa⛳Ḅᯚ;᪷5▬⊵C2⛳#$ᙠ14.608MPa,ᯚ*1596kJ/kg,*75.4X10'6Pas16.537MPa,ᯚ*1672kJ/kg,*69.4X10-6Pas15.7MPa⛳Ḅ//=75.4x10-6+^-7-14608(69.4-75.4)x10-6=7.2x10-5Pa-s016.537-14.608v/15.7MPa⛳Ḅᯚ15.7-14.608:z=1596+-------------------(1672-1596)=1639.0஺/=16,537-14.60813:14:49⚪3

3(2)344cFᔠᱥ"#$Ḅ%>'1%,ᔠᱥḄ();?C1⛳340࠷(@*L639X10-3m3/kg,350࠷(@*1.741X10-3ni3/kg᩵⊤C2⛳#340࠷(@*0.010779m3/kg,350c(@*0.008805ni3/kgo344c⛳(@*344-34f)1.639x1(+----—(1.741—1.639)x10-3=1.6798x10-3ni3/kg350-340v7344c⛳#$()*344-340ஹ4=0.010779+U5()34()(°008805-001°779)=0.0099894;n3/kg344cᔠᱥḄ():+niv,,u=———=99%x1.6798xl0-3+l%x0.00998940.0017629m3/kg+/஻13:14:49⚪4

4(3)15MPa]ᯚ*1600kJ/kgḄ+;^C1_`*14.608MPa⛳+*340࠷,_`*16.537MPa⛳+*350࠷aᵨcឋde15MpaḄ⛳+*:T=340+12>-14608(350-340)=342.03℃$16.537-14.608ᐜ⛳+*342.03࠷Ḅᯚ34203-340h=1596+,-ஹ-(1672-1596)=1611.W/kgs350-340^C3_`*15MPaḄ340࠷ᯚ*1593.3kJ/kg15MPa]g*1600k.T/kgḄ+*1613933t=340+0°--(342.03-340)=340.75C1611.4-1593.313:14:49⚪5

52.2᪶ᵯᔆklḄ-ᦔ᳛no77Kp/kPaMkJkg")p᝱rsᐭu6.89163⛳vrswu7750171x-v#yᘤ{|}wu77502771⛳$~wu6.891940ᔠᱥ#y—|}ᐭu59915500x-v#y—|}wu56515500x-v

6P=᜛஻஻%▾{%஻6+3%/2-%W=q--8-1%=3%%2%஻Ḅ=%-2_WWP_S஻2"+—%_%_3%஻21-4II——P/1஻6-3%%X_4+஻3—஻2—U4-3%U4—%44—.—3%a3—_163+2771-171-1940-3%2771-1940_798,0730.99%~2771-171-3%2771-1940-2575.0713:14:49⚪7

7{3.1kL02”(l-0.03)x002364:0.02438@7(c/C)0030.95x(1+0.5x0.03)

813:14:49⚪8

93.2Ꮇᚮᑁᡠᧇ'3%ḄU02,᠒ᓄᑺ*¢D2O,᠒ᓄᑺ+*260࠷,£¤Ꮇ"¥'ᐰ§-¨ᓄḄUᙠ᦮ª"¥¨«ᑁ®〉ᵨ1/v°±஺²"¥³&᳛*10131/(cm2-s)ᜐᧇᐔ¶ᑁḄ()·-᳛஺C=------------..........=0.0303751+0,9874(—^-1)0.03M==1096x6.022x10"x0.03037=7.503xIO205ᓅ$235+32I293x582=382.4஻~2~V273+260=FJ,NQ*=•••=84.63A7TF/m13:14:49⚪9

103.3²Á.ÂÃ*AU*+,L,ᒹ஻᪷ᚖÆÇpᧇᐗ¶ḄᙊÊËᚮḄÌ·-᳛QḄ:ÏtQt—0,275nLAQyuᐸ"UAu'ᧇᙽḄÒÓ☢)஺13:14:49⚪10

110(Õ{)=00U)(2.405Ö/7?)cos(^z/Z)(2.405r/R)cos(7rzIL\lnrdrdzTTR2LRfiLf2(pJ(2.405r/R)27rrdrஹcos(/r{/L)dzQQ_JOJ-ZJ2_TTKL=0.275%᝞{F
NQf(pfᑣÙU=0.275%,MÚ»=0275%Ü41mFuFu13:14:49⚪11

124.1ᨵ_ᚮᙊÊËUO2ᧇᐗ¶UÞß⊤☢-àá*L7MW/m2,ᙽ⊤☢+*400࠷,ᙽÆÃ*10.0mm,UO2áâᳮäáḄ95%,åæçᧇᙽ"èᨬê+(1)-.᳛*ëᦪUì=3W/(m࠷)(2)-.᳛*k=l+3exp(-0.0005஺஺13:14:49⚪12

13-.᳛*ëᦪci=—xl.7W7m2=X1JMW/nr=0.68x103WVm3R5imnlfTíîïð+ᓅ4T=400࠷,k=3W/(m-࠷)l(O.68xlO3MFF/n/3U12ir1(0)=-------------------------[(5/77/77)—0J+400Cft1816.7C4x3W7(஻7,°C)13:14:49⚪13

14kò'ëᦪU⌕ᵨ)ᑖ-.õr/0=r-4”=~—R4÷Jo24J[l+3exp(-0.0005T)MT=—?42(ZU—ÿ)+^l^[exp(-O.OOO57)-exp(-°.O()057)F—2o-U.UUU34T”=400࠷=0.68x1()3wv//R=5TMT]7=1975࠷13:14:49"⚪$%14

154.2ᨵ'()*ᧇᐗ-.ᙽᵨ12ᔠ4ᑴᡂ(1ᓰ22%89):;<1mm,1Ḅ>?;<90%,ᒹAᵨ0.5mmBḄ2஺ᐗ-DEᵨ40࠷FGᓾIJKLMᦪ/i=40000W/(m2࠷),ᎷPQR◣LTUVWᶍ2ḄLY᳛221.5W/(m>࠷)12ᔠ4ḄLY᳛167.9W/(m>࠷)[\]☢520x1024cm2_`ᐗ-ᙠb᝱dḄeᔣg;ᑖi13:14:49"⚪$%15

16-1C5:=9.0114x101+0,9S74|--1/22ஹ—•1000000235_________27N5:=A00-C5=1,691xIL'~^nT8--------+—I19.052.7)m-269qv:=Fu-Ef-N5j,10=2,7406xW13:14:49"⚪$%16

17q1tco:=tm+=7.4257x10hq•(Leo-Lu)=7.7351x101tci:=tco4-kc.Lu1tO:=tci+q•—=8.1431x10ku—q3kkl:==-6,1S64x10kckk2:=^=-8.1614x1002•kuqv-Lu1c2:=tci+-----=7.9391x102kua•Lub2:=tci+-——=S.0444x10------kc—13:14:49"⚪$%17

180.0005{y}y0.001~O=79.39-3.1864x10'x}V0.0005᪷/(X)=80.44-8.16X106X213:14:49"⚪$%18

194.3Fᚮ*ᧇᐗ-.ᙽe<4.7mm,ᒹAᑁe<4.89mm?ᒹA᜜e<5.46mm,ᒹA᜜Jg;307.5࠷GᓾᑺᒹAKLMᦪ<28.4kW/m2<࠷
,*ᧇ.ᙽLY᳛<3.011W/ᒹALY᳛<18.69W/R◣RḄLY᳛<0.277W/m>࠷
o_*ᧇ.ᙽḄg;1204࠷ḄᨬᜧL᳛஺13:14:49"⚪$%19

201To-T“i=-\--------------------1-------------111—-H-----------------4ᐔku2ᐔRJ%2ẄjH2)2^-(1204-307.5)—^+ߟUn”—Ui1+2x3.0110.2774.718.694.895^46710~3x28.4xlO3=17487ᓺ/~57.49/஻?13:14:49"⚪$%20

214.4B;ᡈ¢e

22V2f+3=oku(1)IÁ©(:d"/27一一-片/,X~+(]X+()!力X1

23(2)IÁᙊ¬¨:d~t1dtqvÄᓝÆᓝᨴÈ0dtqஹᔆ+3dt2k“=0dr3=0qd=t+16Ã஻Ê=o13:14:49"⚪$%23

24ᳫd2t2dtqஹ"ᵫ\ᵫqஹ,ஹ++-=0r+,+r-0dr~rdrk-dr\arJarkn<(di=>*r=0-—=0/—0—oTc"dr.[1-2‘’0ஹᔆ=11oஹrg.gy+C1+6krqஹᔙ

25ὃÌFᚮᙊ¬¨ᚮ.®Ḅ᪷*ᧇᐗ-Íᦪ4.5᝞d⊤஺ᎷPÏᔣÐLᑖi<ÑÒᑖi_`*ᧇᐗ-Ïᔣz=650mmÓ;ᜐḄ*ᧇg;஺ÍᦪᦪÕᓫ×*ᧇᐗ-᜜¢e10.0mm.ᙽ¢e8.8mmᒹAB;0.5mmᨬᜧL᳛4.2x104W/mGᓾᑺ¹Øg;245࠷Gᓾᑺᐗ-Ù☢KLMᦪ2.7X104W/(m2*࠷)GᓾᑺJ91200kg/hᚮ.Ó;2600mmᒹALY᳛20W/(m*࠷)R◣LY᳛0.23W/(m*࠷).ᙽLY᳛2.1W/(m*࠷)13:14:49"⚪$%25

26(1)`%Tz%%(4'&3஺஺)&+J—cos0d341.maxn'%Ltmax,+1ᓝ1-1300Ü஻G1')2.6x3600=4.2x101x+24512J1200^x4200=287.38(C)13:14:49"⚪$%26

27(2)`%*ᧇg;"=;+4"COS(T/4)1ln((/)In(Ý/&)1,------1-----------1------------1-------47rÃ஻2<2Þ12ᐔRJ?OIC=287.38+4.2X104X—21ln(4.5/4.4)ln(5/4.5)14ix2.12^x0.23+2/rx20H------------------------2^X5X10-3X2.7X104=1935cC13:14:49"⚪$%27

284.6ßAàFᚮ*ᧇᐗ-U02Ḅ᜜¢e<10.45mm,.ᙽ¢e<9.53mm,ᒹALY᳛<19.54W/(m࠷),B;<0.41mm,áâ᳛LãᜐᒹA.ᙽäåæçæçß<èLãᜐᒹA⊤☢g;<342࠷,ᒹA᜜⊤☢LJé;

29`Tot=641.886࠷lbj-4=3497+*ù(3865'3497)=3651.14^/777g/û+/“=ᚈþ+3651.14=7295.58ÿ7295.58-7131=1990+(2155-1990)=2066࠷7488-713113:14:49
⚪29

305.1᝞⚪5.1ᡠᨵᘂᑮᱏ஺ᘂḄ15m/s,250kg/s,ᱏ60஺,"#$%1ᱏ&'()ᡠ*ᑮḄ+2ᱏᙠ“.ᔣ05m/s1)Ḅ234*ᑮḄ+஺13:14:49
⚪30

315.2Ꮇ᝞67ᑁ9ᑖ;1)=Umax-"R)23Umax=2.0m/s,R=0.05m,<Ḅ=300kg/m,#$7ᑁ<>ஹ@☢BᙳDᑨ@<)FᜮHIJ%KᔩMQv"2axi-22ᐔᔆ(1ᔆ0°-052CὤE27ink=7.854xl0ঞSTS7.85U1஺11smzATLX0.05~dp=1pRU஻s1-"RW212727irdr=0.667piWm20,RIXYW஺aa212adr0.ᡂ13:14:49
⚪31

325y᝞®de6Sfg"hijTᒹl᪷noL2pqe@Ḅᚖt-ᙊ7"hv஺w"x⚗z{|}90~ᜮᐭ1.5moḄᝅ7ᣚᘤᎷᣚᘤiᙠB7⍝Ḅzᑖᙠ7ᑁ)ᓾᙠ7᜜⌮ᔣ)஺ᣚᘤḄᑁ70"hvஹᣚᘤஹᩭḄ7⍝ᙳᑁp25mmḄ(┤7஺"hi3m,o18m,ᐳᨵ4ᜮ஺ᙠ"hvḄ¡¢Ꮇᨵ£ᯠḄ☢>¥ᓄ§¨Ḅ1©F+q16MPa஺(1)ஹª260࠷Ḅ05m/sḄH«}"hv¬(ᓽ"hv(a)¯§¨Ḅ᥅±F²஺(2)ஹ³"hvᙳᒴaµ"hvḄ¡«¥300࠷,#$§¨ḄF²q¶·M(Ꮇ'¸¬ᣚᘤᣚ7Ḅ¹«º7ᑁḄBᙳ«»40࠷)13:14:49
⚪32

33V=0.0012535|i=105.376x10"&s,pਮ=797.77/3ÊRe1SËË=4.921x1?,V3Vl=1.352*2¡A2Re=—P=2.559xlO5210Vf=0.00551+220000+8=0.0015DRe•+=0.0145,+=0.0150z",SAP+APf2=+LØ+f2'lL^LADei2De22=20675P஺13:14:49
⚪33

34Ùx(13xl(f5)x5=0.ÛÚ=797.77xa)."hv¡Üᣚᘤᐭ¡:t=300°Cᨴ=160ßxV1=0.0014166£ᑁS89.30x10^áas=£=705.92àPi3%==1.528%1V]712MNRe௃=4%=3.018x1()5

3513:14:49
⚪34

36fi=0.0055+200000°15+^0.014625O1஺ஹ15?"=1516#di2$PigAz=6233஻AP,=0a'PiV/705.92xl.52820,6x——=494P஺=13:14:49
⚪35

37Re=Re[=3.018x105Pr=0.858k=567.7xlOWtC=5.448x12p°CNu=0.023Re8Pr0-4=5235sNiiஹk5235x567.7xlO-3h==11888◀cd25x14hFM11888X7Tx25x10.3x0At----------------------------------------19.4°C2WC15x0^294x5.448xP.'3t=t-=290.3°C{•v=0.001338Jä¡=93.36x10^Pa-s=747.32P1——=------------------------=1443%3dOx|25x1)W20.5294x0.0013381717T-34ὡ__ZjF_cV/ccRe2|1247.33

38=2.888xlO513:14:49
⚪36

39=0.0055253.018x100.6f=fz4=0.0160ᑁJd22PPeh=0AP=G2(v-v)=-1751Pa231

4013:14:49
⚪37

41z=300°Cp=160/?%=89.36x10^Pa•s33Av3=5=1.528%'=705.92p3=v3~d3R©3=33ᓃ=3018x1()5çᵫu.uf.=0.00551+20000x------+2^4€i0.0015é஽S%ì3P3V3?=5QPa15d23NPek=P3gAz3=-14530wAP=03APY^KP3V^-4-483fe=M2

4213:14:49
⚪38

43d)."hvᑁí=280.6°CP=160bᑁ=97.37x10"஺s3P3==756.4=1.409210ਮSu.uRe=⁐2=2.769xlO5ï=0.00551+20000x3--+5554^x10135143V33APS+&p4%=14049P஺ñd24Sp4gAz4=747.33x9.8xl.2=8789P஺a=G~(VH-v)=1òMPa3=0.7=13811Pa4Ap3óá”S00(1-0")G2V=-4446P஺

4413:14:49
⚪39

45AP=2iAP+APn+APX+AP1++ó?+AP஺Z=1=(1516+6233)+(752+0)+(5927-14530)+(14049+8789)+13811-4446+494+1483-1751+17513401SPa13:14:49
⚪40

465.4õöFᚮ6ø⍝¡ஹᐭ¡«ᑖù320࠷ú280࠷,F+15.5MPa,ᐗü᜜p10.72mm,ýឋv3.89m,᪕14.3mm,ᒹᙳ320࠷,ᐭ1.138x107kg/(m2.s)Ḅ᎛᥅ஹᓣ!஺t=300࠷P=155MPa3=280°Cnᖗ=0.0()130775஻*஺i=300࠷=>v=0,0013761஻/t=320࠷nv=().0()14705஻%஺22R=%726.7A%?//=89x10-6A/-s1.138x10"x0.00130775=4.13^360013:14:49C⚪EF41

47DeVp13.57x10^x4.13x726.7xxRe1==4.576xlO5G9xl0H6O.OO1510f=0.0055=0.0145LpVV3.89726.7x4,132=/=0.0145x13.57xIO-3=257610(7De211x1Oz"=G2(V^-VJ=—---------(0.0014705-0.0()130775)'-17\3600)=1626Pa/\P=pg^z-726.7x9,8x3.89=27703Ic/ei...\P>%>Wf13:14:49C⚪EF42

485.5᝞KᡠMᨵOPQRSTU5mSᑁWXY15mZ[\]^1.0MPaRᐭ_⍝TU20cmabcdᚮᑁ^ᑖg0.8MPa0.2MPaḄhijḄRᐭ஺K'px?pi-n+pgh22q=pM=pAm4K=0.513:14:49C⚪EF43

495.6klᚮᨵm3§000᪷oᧇqᚮrst15Mg/s°uoᧇqY37ni᜜U11.2mmwxy᣸{|᪕14.7mmlḄ~720kg/m3,^91piPas஺abᚮrᑁᓣஹ᥅ᐭḄ஺OuXRe(K=0.5inK=1.0out13:14:49C⚪EF44

505.7Z[q(z)=1.3cos[0.75(z-0.5)]MW/m2,ᚮrY3m,᜜ᶍoᧇᐔ᜜U10.45mm,ᓾᑺᐭ240࠷,ᓾᐗḄ1200kg/h,^15MPa,⍝XᜐᜐḄ஺zqYTiDdzhY=h+-inQ_mᡈὅᵨᙳab஺13:14:49C⚪EF45

515857⚪oᧇᐗᢥ¡13.5mm᣸ᑡᡂwxy᪕¤¥ᦪᨬY¨☢ªḄX°De=Re=Nu=O.O23Re08Pr0-4,,Nuh=k-Deᨌ(z)=4(z)+¬13:14:49C⚪EF46

525.9klᚮḄq®oᧇ¯°±ᔣ³Ḅlᡠᓾoᧇᐗ᜜U9.8mm,᪕12.5mm,ᕈwxy᪕¤᣸ᑡ஺ᙠᐗYxᔣḄkO¶·Ḅ◞ᑁᓾlḄᙳ300࠷,lḄᙳ!4m/s,1.74x1()6w/n?,ᚮḄ¹º^14.7MPa,»·◞ᑁḄᙳ¼½¥ᦪᐗ☢Ḅᙳ஺13:14:49C⚪EF47

536.1k¾lᚮᓾᑺ⍝Y1.8m,¹º^4.8MPa,¿ᐭ⍝ḄlḄÀ13࠷,⍝ᜐ⊝᝱ÃÄ᳛0.06,᝞Æ⍝ḄxÇtmÈ1
ᙳᒴḄÈ2ÊËÌᑖÍḄÈᙶ᪗ÐÑ~ᙠ⍝ÒYᜐÊ»abÓ¾ÔÕÈᶍ³¾ÔÕ᜜Ê஺13:14:49C⚪EF48

54P=48b=t=261.37℃n=/-13=24837°Css¡=1078.0%,"=1141"%*,஻Ö=1653.9%◀_hhL=-----------[---L=0.704=£஻=1.8-0.704=1.096//?ØwÌmcosÙ=1—2^~hfi-11,11-----=0.218"஺=0.774mL=1.8-0.774=1.026minf13:14:49C⚪EF49

556.3ÚᨵO¶ËÌxÇḄ¾Ô⍝Èᙶ᪗ÐÑ~ᙠ⍝ÒYᜐÊ3.6m,¹º^8.3MPa,Ó⛳¾ÔÕYL2m,¿lḄÀ15࠷,»⍝Ḅ⊝᝱ÃÄ᳛ÜÝÞßÈᶍ³¾ÔÕÊ஺13:14:49C⚪EF50

56P=83bt=297.55࠷t.,=à15=282.55࠷shs=B31.4%h=1424.1%᯿=1249.5%ffs=0.71+1.45xW8P=0.83040.8304u0.6408‘1-0.1729]00013942<0,1729)0.0225413:14:49C⚪EF51

576.4kOâã»äåæḄᚖT⍝ᙠkYᜐèé⛳¾ÔZ[⍝ḄᑁUdu2cm,ᓾlḄL2ᔴ/·¥ëḄ¹º^tlO.OMPa,⍝¿lᯚ1214kJ/kg,⍝íᔣᙳᒴq=6.7î1஺5w/n?,⍝2m஺»ᵨ⊝᝱âïab⍝ᑁḄ⛳¾ÔðñÑḄY⍝ᜐḄ⊝᝱ÃÄ᳛஺13:14:49C⚪EF52

58=1410.4%^=2726.0%ò^^O/120஺(1410.4—1214)x1()3=1.555777qM3600~6.7xl05^x0,02x3=0.04313:14:49C⚪EF53

596.5klᚮ¹º^15.19MPa,koᧇᐗ⍝l^TU12.53mm,ᙳᒴè2722kg/(m%)ᐭ⊝᝱ÃÄ᳛ᦈ=-0.1645,ab⍝ᐭᜐ⊝᝱ÃÄ᳛÷ᜐḄDNBøù஺13:14:49C⚪EF54

60QNB.eu=JÈPZeÊ7ÈGZeWÈ஺ú
DG=2722kg/nr-^
,p=15.19MPa,/=-0.1645,D=12.53niiii=0.01253nieb15.19MPah=1617.62679kJ/kgA=2605.38478kJ/kgJfo]=Xeh+1—ûÊ=1455.1406”/kg13:14:49C⚪EF55

61^(p7j=2.022-0.06238p+(0.1722-0.001427/?)exp[(18.177-0.5987p)x]=].0744478+0.15052387exp[9.082747x(-0.1645)]=1.108232567(6,%)=[(஺1484-1.596¡+01729%,þ)x2.326G+3271]x(l]5"0.869%,)=7595.875927^(D,/7j=[0.26644-0.837exp(-124.1D,)]x[0.8258+0.0003413(/7-/?.,)]3zf=0.390546711᜛=J(P
4)G,/W(4,)=3287.6/"=3.29MT/*p,%,)=1.0744478+05052387=1.22497167^(G
x
)=(0.1484x2.3266+3271)x1.157=4871.635975“(2)=0.390546711᝞VBভ=4(P
Z°)7(G,%),)=2330.6//=2.33M%/"13:14:49⚪56

627.1ᚮ3m,!ᔣ#$%ᑖ'(q(Z)=1.3cos(0.75(z-0.5))MW/m2oᙶ᪗+,ᙠᚮ./0
12⍝ᑁ!ᔣ,50\VLq(z)dzJfq=-=-]1.3cos[0.75(z-0.5)]dz=0.9702l5=-1,3x0.75sin[0,75(--0.5)]=0=Zmax-05%nax=ಔᔩ஺...:=;=134■Q13:14:49⚪57

637.2ᐔz<=!ᔣ>?᳛ᑖ'(4/(Z)=q/,o.HIZcos1!ᔣ᪶,5Bᓃ,N஺ᨌ

6413:14:49⚪58

657C11LRXLR+=Lx=—=tgx=Lex—2/Tx-6.2813:14:49⚪59

661x=-1.0=tgx=-1.557=-0.137x-6.281x——0.1=tgx=—0.0997=-0,157-6.281X=—0.15=@=—().149=—0.156x—6.281x=-0.155=>/g.v=-0.1563=-0.1554x-6.28xL-0.1551maxᐔᐔ(0.155,ஹVmaxN%1+——cos(-0.155)=1.0124%01max1.0124"1.59Q13:14:49⚪60

677.3<=PQᚮḄSᐗUᒹW᜜YḄZ[\](d=1.5263cm,^<_`ḄNᢇᐗUbcde
fghᑡjkᑖ'
l1^Qm᩽▲pqḄrᧇᐗUḄtY஺13:14:49⚪61

68uḄvwuᑁḄxᙳtYd/cmzuᐗUḄᦪ|11.5213421.52258731.523830241.525248951.5263101361.527650171.528929681.53029791.532711

69Ax௃=(1.5213—1.5263)x10"5*105+AX=(1.5225-1.5263)X10^=-3.8X10^^2AV=(1.5238-1.5263)XIO-2=-2.5X10-5//Z3AV=(1.5252-1.5263)X10-2=-l.lxlO^/n4AX=(1.5263-1.5263)xlO-2=05AX=(1.5276-1.5263)XIO-2=1.3xlO-5n/6AX=(1.5289-1.5263)X10-2=2,6X10-5W7AX=(1.5302-1.5263)x1O-2=3.9xl0-5w8AX=(1.5327-1.5263)X10-2=6.4xl0^5m9,-7a=-------=1.75x10'in^W:.d=d0±3cr=1.5263xl0-2±5.25x10-5w13:14:49⚪63

707.4<=rᧇᐗUḄ}ᦪ᝞h
l~ᔠ1#`5BḄq஺.NᱥᳮZ[ᨬᜧpqᙳpq.ᙽtY8.43mm0.03mm0.005mmU235%3%0.040.01%UC)2$%95%2.7%0.7%ᒹW᜜Y10mm0.04mm0.012mm13:14:49⚪64

71:஺஻PhdCஹSV(8.43+0.031x(3+004)x(95+2.7)x10_௃(ீim)PN"esh8.432x3x95x(10-0.04)-'ᔠ:…<+3\2\2(ஹ2y2b°des+++=1.025IIdCSUJ"imJ,ᵨḄ#ᨬ`5B~ᔠᔠḄ#Ḅ`5ᜧ஺13:14:49⚪65

727.5<=PQᚮḄ?᳛(2727.27MW;rᧇᐗUᒹW᜜Y10mm,ᒹWᑁY8.6mm,.ᙽtY8.43mm'rᧇuUᵨ15x15¡¢᣸ᑡ
z¤uUᑁᨵ20¤¦ᑴᝅ1¤/B©᳛ª
rᧇḄ/0᪕¬13.3mm,uU◣1mm஺¯j`°15.48MPa,±ᓾᑺxᙳ´%302࠷,ᚮ.±ᓾᑺxᙳ´ᓣ39.64C,±ᓾᑺ¶#¯ᦪ9%,ᚮhῚ¸#¹ᙳᒴ¯ᦪ0.05,rᧇᐗUᒹW᜜⊤☢xᙳ#$%652.76kW/m2,F0N=2.3,FO=1.438,F=1-08F=1.03o½¾¿ᙠrᧇ7sNᑁÀÁÂMÃEÄÅḄaE97.4%,ᚮ.%Æ3.29m,ÇÈÉÊ(ᐗU/0ᨬ´%ÅËᙠᐗUÌᜐ஺<=ᐗUᒹWḄÎ᳛ÏÐ0.00547(1.8஻+32)+13.8W/(m࠷)஺ᵨᓫ2⍝ÓÔ1rᧇᐗU/0ᨬ´%஺13:14:49⚪66

731ஹrᧇ᪷ᦪ×uUᦪ:NtF272.727xlbx97.4uN=—=-----------------------------------39392n--------------------194dLq7ix0.01x3.29x6515x15-20-ncs27601☠⇋ᚮ.Ḅ!^Úឋ
Æn=1922ஹᚮ.ÜᦔtYT=150-3+2X0.5X10-3=200.5x10-3D2=3.135mefᐔ4

7413:14:49⚪67

75ÞNᚮ.±ßᑤ#:t_`a=302-1x39.64=282.18UCfin22tÐ=302+1x39.64=321.82“Cfex22.71c
l_Cpin+Cpex_4.438+6.167.,“-124á=~^=----------------4_W.91XW^0.91><_=11.91X103^C=0VCpMs

7613:14:49⚪68

77hL=h+^L=h+1_*_ᘠ/=1428.2cfinfin222Wx0.95WSr:td317.3(25ஹÌ%ᜐ±ᓾᑺ#âãx0.95V=---------=3.91m/sAp/13:14:49⚪69

78ᐗU⊤☢ä±ᓾᑺᓫå^#ᣚ¯ᦪ4x|13.3xJQ᝾-îKOO42eD=—4=___1_____________________=0.0125meTidesO.Olx71Re£/J3.91x0.0125=397x102v89x1^722.2•Nuf=0.023Re)8Pr04=0.023Xg(x1'x°-862°4=653.08.97QZv_NuZ_653.080.566/ߟ0^125—~120c13:14:49⚪70

79L=7%F4=——AO,—.kc52.3”஺2L29571-317.3=29.8UCL$஺/L>AO"22ᦑ&'()!smax=317.3+29.8=347.1°C13:14:49⚪71

808ஹ,ᧇᒹ/ᑁ⊤☢345k=0.00547(1.8x347.1+32)+13.8=17.3c°C_UiFVF%As஺/ft^cimax-^csmaxᓝ...........-L2ᡂcInᓛd(Vi13:14:49⚪72

819ஹ,ᧇ6ᙽ⊤☢ᨬ934:ᐔmax=%-+$%L=414+gh=733CLi-llidA>jj2hgTidu10ஹ,ᧇ6ᙽ<=ᨬ9345EN.maxkdt-%?@A+♦♦R_u'oo4ᐔ-2733.9,652760x7TX0.01x2.3x1.03x10kdt+-----------------------------------------------uJ஺4ᐔ=40.15+38.66=78.81ᘽDm•Lomax=2332°C13:14:49⚪73

82T6'''EFᚮHI᝞K⚪7.6ᡠMNOPQRSTUVWXYZ[\]Ḅ_ᯠTUaZbᜮd$efP1-P2hgL,ᐸ

83ᙠEFᚮஹwyᘤᑁr4ឋᓄNᡠ,wyᘤU⚔ᜐr4d:Pl+fP]-Ph/2=f^1+Ph/222ᡠN@ᓣᙳr4d5f2+/h+2ᙳr4d5f+°%h+2¡¢wxyzᘤḄ£Zbᜮd5gxfA+'Ah+2XASG_gxfR+4ah+2x&G=gxiAUGªᳮ,¬ὃ⇋@ஹ¯Ὶ±Ḅ²³N´ᑮᚮ6ḄaZbᜮd:gxfPi+h+2x]R_gxfa+£¸+2X£RXLR13:14:49⚪75

84¡¢oḄaZbᜮd5gxq£—ᓧ;<¡¢oḄaZbᜮd5_gxpGL=>2ᡠN_ᯠTUaZbᜮd5gxpiiLRV'"1_gxeG'jLஹG
ᓝg¹xLSGᓝgfpp
gLr213:14:49⚪76